Home / 777,151.20-1,165,628.88-216,228.96

Finding the Fourth Proportional to 777,151.20, 1,165,628.88 and 216,228.96

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Solution

The fourth proportional to 777,151.20, 1,165,628.88 and 216,228.96 is: 324,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,151.20 : 1,165,628.88 = 216,228.96 : x
  2. Step 2: Convert to fraction form
    777,151.20/1,165,628.88 = 216,228.96/x
  3. Step 3: Cross multiply
    777,151.20x = 1,165,628.88 × 216,228.96
  4. Step 4: Simplify right side
    777,151.20x = 252,042,720,468.37
  5. Step 5: Solve for x
    x = 252,042,720,468.37/777,151.20
  6. Step 6: Final answer
    x = 324,316.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.